Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Secure mode answering machine

Secure mode answering machine

US Patent 5065428 · Granted Nov 12, 1991

Estimated economic value: $5,748,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Measuring dissipated electrical power on a power rail2024
Power extender for smart-home controllers using 2-wire communication2023
Temperature sensor isolation in smart-home devices2023
Compensation for internal power dissipation in ambient room temperature estimati2023
Timing for power-stealing circuits in smart-home devices2023
Dynamic input selection for power-stealing smart-home devices2023
Power extender for smart-home controllers using 2-wire communication2022
Method and apparatus for adjustable fuel pressure module2021
Circuit and method for using capacitive touch to further secure information in R2021
Circuit and method for using capacitive touch to further secure information in R2020
Apparatus and method for controlling operation of a processor device during star2006
Locking, segmented cleaning implement handle2006